With a population of around 1,000, Half Tree Hollow sits in Saint Helena, SH. The city operates in the Atlantic/St Helena time zone.
In 2025, Half Tree Hollow recorded an average annual temperature of 66°F. The hottest temperatures reached 77°F in March; the coolest were 57°F in August. Total precipitation for the year was 21 inches, with the wettest month being March.
View current conditions and forecast for Half Tree Hollow · More cities in Saint Helena